package com.jiepu.daily.corejava.advanceed.part2.day0721;

import java.util.HashSet;
import java.util.Set;

/**
 * @Description:
 * @author: xinjie.txt
 * @date: 2020/7/21  14:56
 */
public class HashSetDemo {
	public static void main(String[] args) {
		Set set = new HashSet();
		set.add("xinjie.txt");
	}




}
